expression
in addition to; besides; as well as
Used to add another item or factor, often in formal or written contexts. Similar to に加え, but に加えて is slightly more common in spoken Japanese.
See also: に加え
日本語に加えて、英語も話せます。
In addition to Japanese, I can also speak English.
雨に加えて風も強くなってきた。
Besides the rain, the wind has also become stronger.